diff --git a/build-constraints.yaml b/build-constraints.yaml
index ec0fa576..e4e5cb43 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1374,6 +1374,7 @@ packages:
         - postgresql-simple-url
         - range-set-list
         - regex-applicative-text
+        - servant-dhall
         - servant-swagger-ui
         - servant-yaml
         - singleton-bool